EP 1996492 A2 20081203 - METHOD FOR THE PNEUMATIC CONVEYING OF WATER-ABSORBENT POLYMER PARTICLES
Title (en)
METHOD FOR THE PNEUMATIC CONVEYING OF WATER-ABSORBENT POLYMER PARTICLES
Title (de)
VERFAHREN ZUR PNEUMATISCHEN FÖRDERUNG WASSERABSORBIERENDER POLYMERPARTIKEL
Title (fr)
PROCÉDÉ POUR TRANSPORTER DE MANIÈRE PNEUMATIQUE DES PARTICULES POLYMÈRES ABSORBANT L'EAU
Publication
Application
Priority
- EP 2007051985 W 20070302
- EP 06111102 A 20060314
- EP 07712422 A 20070302
Abstract (en)
[origin: WO2007104657A2] The invention relates to a method for the pneumatic conveying of water-absorbent polymer particles using curved pipelines, wherein the ratio of the radius of curvature to the pipe diameter is at least 5.
IPC 8 full level
A61F 13/15 (2006.01); B65G 53/04 (2006.01)
CPC (source: EP US)
B65G 53/52 (2013.01 - EP US); B65G 2201/042 (2013.01 - EP US)
Citation (search report)
See references of WO 2007104657A2
Citation (examination)
- US 5102585 A 19920407 - PIEPER CHRISTOPHER M [US], et al
- US 4927582 A 19900522 - BRYSON ROBERT E [US]
Citation (third parties)
Third party :
- JP H08337954 A 19961224 - KAO CORP
- JP 2004345804 A 20041209 - NIPPON CATALYTIC CHEM IND
- JP 2002265053 A 20020918 - HITACHI PLANT ENG & CONSTR CO
- JP 2000160197 A 20000613 - LION CORP
- WO 2004108795 A1 20041216 - BASF AG [DE], et al
- JP 2003155120 A 20030527 - OSAKA GAS CO LTD, et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2007104657 A2 20070920; WO 2007104657 A3 20071122; CN 101405207 A 20090408; CN 101405207 B 20130717; EP 1996492 A2 20081203; JP 2009529477 A 20090820; US 2009060661 A1 20090305
DOCDB simple family (application)
EP 2007051985 W 20070302; CN 200780009250 A 20070302; EP 07712422 A 20070302; JP 2008558769 A 20070302; US 28173107 A 20070302